5-7
Confidential
1.4.5
Monochrome image quality test pattern (Function code 09)
<Function>
This function allows you to print various monochrome test patterns and check the quality and
if there is any image loss.
<Operating Procedure>
(1) Press the 0 and 9 buttons in this order in the initial state of the maintenance mode.
In the case of the model without the numeric keys; Press the or button. The
“MAINTENANCE 09” appears on the LCD. Then press the OK button.
(2) Printing of the monochrome image quality test pattern (see the figure below) starts, and
when printing is finished, the machine beeps for one second and returns to the initial
state of the maintenance mode.
Fig. 5-2